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Backport from mainline
authoruros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 12 Sep 2012 16:06:42 +0000 (16:06 +0000)
committeruros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 12 Sep 2012 16:06:42 +0000 (16:06 +0000)
commit5ba9b16d21286fa126e22a5395ba3faf43d366b1
tree6c4816c7a7c183ece28364ea77bf1bfe71ad7c04
parent7dd028da6cb996e5b194c2aacf3d8b7d967c100d
Backport from mainline
2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

* config/i386/i386.md : Comments on fma4 instruction selection
reflect requirement on register pressure based cost model.

* config/i386/driver-i386.c (host_detect_local_cpu): fma4
flag is set-reset as informed by the cpuid flag.

* config/i386/i386.c (processor_alias_table): fma4
flag is enabled for bdver2.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@191227 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/config/i386/driver-i386.c
gcc/config/i386/i386.c
gcc/config/i386/i386.md